ref: 5496c2e76f82cee8fdc747bc041f493470752b48
dir: /include/asm/charmap.h/
/*
* This file is part of RGBDS.
*
* Copyright (c) 1997-2018, Carsten Sorensen and RGBDS contributors.
*
* SPDX-License-Identifier: MIT
*/
#ifndef RGBDS_ASM_CHARMAP_H
#define RGBDS_ASM_CHARMAP_H
#include <stdint.h>
#define MAXCHARMAPS 512
#define CHARMAPLENGTH 16
#define MAXCHARNODES (MAXCHARMAPS * CHARMAPLENGTH + 1)
/*
* A node for trie structure.
*/
struct Charnode {
uint8_t code; /* the value in a key-value pair. */
uint8_t isCode; /* has one if it's a code node, not just a bridge node. */
struct Charnode *next[256]; /* each index representing the next possible character from its current state. */
};
struct Charmap {
char name[MAXSYMLEN + 1];
int32_t charCount; /* user-side count. */
int32_t nodeCount; /* node-side count. */
struct Charnode nodes[MAXCHARNODES]; /* first node is reserved for the root node in charmap. */
struct Charmap *next; /* next charmap in hash table bucket */
};
void charmap_InitMain(void);
struct Charmap *charmap_New(const char *name, const char *baseName);
void charmap_Set(const char *name);
void charmap_Push(void);
void charmap_Pop(void);
int32_t charmap_Add(char *input, uint8_t output);
int32_t charmap_Convert(char **input);
#endif /* RGBDS_ASM_CHARMAP_H */